252522136 has 32 divisors (see below), whose sum is σ = 478094400. Its totient is φ = 125038080.

The previous prime is 252522121. The next prime is 252522139. The reversal of 252522136 is 631225252.

252522136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252522139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582976 + ... + 583408.

It is an arithmetic number, because the mean of its divisors is an integer number (14940450).

Almost surely, 2^252522136 is an apocalyptic number.

It is an amenable number.

252522136 is a deficient number, since it is larger than the sum of its proper divisors (225572264).

252522136 is a wasteful number, since it uses less digits than its factorization.

252522136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 975 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 252522136 is about 15890.9450946128. The cubic root of 252522136 is about 632.0719020368.

Adding to 252522136 its reverse (631225252), we get a palindrome (883747388).

The spelling of 252522136 in words is "two hundred fifty-two million, five hundred twenty-two thousand, one hundred thirty-six".